# Build recipe for flex.
#
# Copyright (c) 2015-2018 Matias Fonzo, <selk@dragora.org>.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Exit immediately on any error
set -e

program=flex
version=2.6.4
release=1

# Define a category for the output of the package name
pkgcategory=devel

tarname=${program}-${version}.tar.lz

# Remote source(s)
fetch=https://github.com/westes/flex/releases/download/v${version}/$tarname

description="
The fast lexical analyser generator.

Flex is a fast lexical analyser generator.  It is a tool for
generating programs that perform pattern-matching on text.
"

homepage=https://flex.sourceforge.net
license=Custom

# Source documentation.
#
# The documentation files are installed by Flex.
#
docsdir="${docdir}/${program}-${version}"

build()
{
    unpack "${tardir}/$tarname"

    cd "$srcdir"

    # Set sane permissions
    chmod -R u+w,go-w,a+rX-s .

    ./configure CPPFLAGS="$QICPPFLAGS" CFLAGS="$QICFLAGS" LDFLAGS="$QILDFLAGS" \
     $configure_args \
     --libdir=/usr/lib${libSuffix} \
     --infodir=$infodir \
     --mandir=$mandir \
     --docdir=$docsdir \
     --enable-static \
     --enable-shared \
     --enable-nls \
     --build="$(gcc -dumpmachine)"

    make -j${jobs}
    make -j${jobs} DESTDIR="$destdir" install-strip

    # Compress info documents deleting index file for the package
    if test -d "${destdir}/$infodir"
    then
        rm -f "${destdir}/${infodir}/dir"
        lzip -9 "${destdir}/${infodir}"/*
    fi

    # Compress man pages
    lzip -9 "${destdir}/${mandir}"/man?/*

    # Provide compatibility with flex's predecessor, lex
    if test -f "${worktree}/archive/flex/usr/bin/lex"
    then
        cp -p "${worktree}/archive/flex/usr/bin/lex" \
              "${destdir}/usr/bin"
        chmod 755 "${destdir}/usr/bin/lex"

        ln -sf libfl.a "${destdir}/usr/lib${libSuffix}/libl.a"
    fi
}

